Hourly Weather | Today Thursday, February 5, 2026
Chino Hills, California
8 PM
Cloudy Night
64°
Feels Like 63°
1
Humidity: 55%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
63°
Feels Like 63°
1
Humidity: 61%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
61°
Feels Like 57°
1
Humidity: 68%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
57°
Feels Like 57°
1
Humidity: 71%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
152 AQI
Unhealthy air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 58.63 µg/m³
  • PM10: 87.54 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.26 ppm

Health Recommendations:

Everyone may begin to experience health effects; sensitive groups may experience more serious effects.

9 PM
147 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 54.08 µg/m³
  • PM10: 83.41 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.24 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

10 PM
135 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 49.29 µg/m³
  • PM10: 78.27 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.23 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

11 PM
122 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 44.07 µg/m³
  • PM10: 72.18 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.